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Narrow escape at sea: Quick action prevents speedboat disaster off Phuket’s coast


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Posted (edited)
3 hours ago, Eleftheros said:

In English, we would say: "The boat was sinking."

No we would not!

A vessel that capsizes does not necessarily sink, it means it has overturned!

 

It could still be righted and sail on!

 

 

Edited by scottiejohn
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Posted
27 minutes ago, scottiejohn said:

No we would not!

A vessel that capsizes does not necessarily sink, it means it has overturned!

 

It could still be righted and sail on!

Yes, but think about it.

 

When you get "water ingress", where does that water settle? At the bottom of the boat. That lowers the center of gravity of the boat and makes it harder to roll over and capsize. This is the principle of ballast, which many smaller boats use. They often use water in tanks for that purpose.

 

I can't think of any situation where water pouring into a boat could possibly make it capsize rather than just sink.

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Posted
30 minutes ago, Eleftheros said:

Yes, but think about it.

 

When you get "water ingress", where does that water settle? At the bottom of the boat. That lowers the center of gravity of the boat and makes it harder to roll over and capsize. This is the principle of ballast, which many smaller boats use. They often use water in tanks for that purpose.

 

I can't think of any situation where water pouring into a boat could possibly make it capsize rather than just sink.

Waves rock the boat. The water sloshes about. Over it goes.

Posted
39 minutes ago, hotchilli said:
13 hours ago, Soupdragon said:

Waves rock the boat. The water sloshes about. Over it goes.

The Op photo shows calm seas.

Happens all the time in calm water.  Has to do with the center of gravity vs the center of buoyancy.  You can also throw in fancy terms like metacentric height.

 

Some boats sink upright, others capsize.  If there's enough air trapped under a capsized boat, it'll float indefinitely.  That's why you'll see hundreds of YouTubes with people clinging to their capsized boats when rescue crews arrive.

 

Regarding the terminology, we just called it "taking on water".  What happens eventually is anyone's guess.

Posted
13 hours ago, Eleftheros said:

Yes, but think about it.

 

When you get "water ingress", where does that water settle? At the bottom of the boat. That lowers the center of gravity of the boat and makes it harder to roll over and capsize. This is the principle of ballast, which many smaller boats use. They often use water in tanks for that purpose.

 

I can't think of any situation where water pouring into a boat could possibly make it capsize rather than just sink.

Wouldn't that depend on the design of the boat itself.  Along with sloshing around as a wave hits it.   Especially if dead in the water.

 

If listing on the downside of a wave and water sloshes to that side ... oops

Posted

Guys, who cares if it sunk, capsized, took on water  etc, geez. It's just lucky everyone survived, no mention of lifejacjets, but also thete seemed a lack of communications between the navy.

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